- name: "Set trusted_host_patterns for canonical domains"
  vars:
    patterns: "{{ DRUPAL_DOMAINS
                  | map('regex_replace','\\\\.','\\\\\\\\.')
                  | map('regex_replace','^','^')
                  | map('regex_replace','$','$')
                  | list }}"
    php_array: "{{ patterns | to_json }}"
  command: >
    docker exec -u root {{ DRUPAL_CONTAINER }} bash -lc
    "php -r '
    $f="{{ DRUPAL_DOCKER_CONF_PATH }}/settings.local.php";
    $c=file_exists($f)?file_get_contents($f):"<?php\n";
    // Remove existing assignment of $settings[\"trusted_host_patterns\"] (if any)
    $c=preg_replace(\"/(\\\\$settings\\['trusted_host_patterns'\\]\\s*=).*?;/s\", \"\", $c);
    $c.="\n\$settings[\'trusted_host_patterns\'] = ".var_export(json_decode("{{ php_array|e }}", true), true).";\n";
    file_put_contents($f,$c);
    '"
  changed_when: true